[lkml]   [2008]   [Jan]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH 0/7] More lguest massage.
gpte_addr()does not depend on any guest information. So we wipe out
thelg parameter from it completely.

Signed-off-by:Glauber de Oliveira Costa <>
drivers/lguest/page_tables.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)

diff--git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
indexc4b8eaf..c9acafc 100644
@@-100,8 +100,7 @@ static unsigned long gpgd_addr(struct lg_cpu *cpu, unsigned long vaddr)
return cpu->lg->pgdirs[cpu->cpu_pgd].gpgdir + index * sizeof(pgd_t);

-staticunsigned long gpte_addr(struct lguest *lg,
- pgd_t gpgd, unsigned long vaddr)
+staticunsigned long gpte_addr(pgd_t gpgd, unsigned long vaddr)
unsigned long gpage = pgd_pfn(gpgd) << PAGE_SHIFT;
BUG_ON(!(pgd_flags(gpgd) & _PAGE_PRESENT));
@@-235,7 +234,7 @@ int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode)

/* OK, now we look at the lower level in the Guest page table: keep its
* address, because we might update it later. */
- gpte_ptr= gpte_addr(lg, gpgd, vaddr);
+ gpte_ptr= gpte_addr(gpgd, vaddr);
gpte = lgread(lg, gpte_ptr, pte_t);

/* If this page isn't in the Guest page tables, we can't page it in. */
@@-378,7 +377,7 @@ unsigned long guest_pa(struct lg_cpu *cpu, unsigned long vaddr)
if (!(pgd_flags(gpgd) & _PAGE_PRESENT))
kill_guest(cpu->lg, "Bad address %#lx", vaddr);

- gpte= lgread(cpu->lg, gpte_addr(cpu->lg, gpgd, vaddr), pte_t);
+ gpte= lgread(cpu->lg, gpte_addr(gpgd, vaddr), pte_t);
if (!(pte_flags(gpte) & _PAGE_PRESENT))
kill_guest(cpu->lg, "Bad address %#lx", vaddr);


 \ /
  Last update: 2008-01-18 01:39    [W:0.027 / U:1.056 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site